Abstract: A direct design method for generating an osculating curved waverider based on a complex leading edge, includes obtaining a leading edgeleading edge through determining a leading edge of a waverider according to a spread length, a front-to-rear length, and a sweep angle at each position of an aircraft, and arranging leading-edge discrete points on the leading edgeleading edge; drawing a small shock cone corresponding to each leading-edge discrete point by starting from each leading-edge discrete point, taking a local shock angle as a half cone angle and taking a free streamline direction as an axis; finding envelope surfaces of all small shock cones, namely, a shock curved surface corresponding to the leading edgeleading edge; generating a waverider by using the osculating curved waverider design method.

Abstract: A bottle-mouth package permeability test system includes: a bottle-mouth mold group, a permeation amplifying cavity, a carrier gas assembly, a to-be-tested gas assembly, a pressure regulating assembly, a temperature regulating assembly, and a detection assembly. The carrier gas assembly allows a carrier gas to circulate in the bottle-mouth mold group connected in series on the carrier gas assembly. The to-be-tested gas assembly allows a to-be-tested gas to flow in the permeation amplifying cavity connected in series on the to-be-tested gas assembly. The pressure regulating assembly can regulate pressure states of the carrier gas outputted by the carrier gas assembly and the to-be-tested gas outputted by the to-be-tested gas assembly. The temperature regulating assembly can regulate temperature states of the carrier gas and the to-be-tested gas. The detection assembly is in communication with an exhaust end of the carrier gas assembly.

Abstract: The present disclosure relates to a forced oxidation test system, including: forced oxidation subsystems, a first cabinet, a second cabinet, and connecting devices. Inner cavities of adjacent forced oxidation subsystems are arranged in parallel. The forced oxidation subsystems include: forced oxidation portions, inner cavities of adjacent forced oxidation portions being arranged in series. To-be-tested packages are placed on the first cabinet. The second cabinet is connected to the first cabinet through the connecting devices. The forced oxidation subsystems are arranged opposite to the to-be-tested packages. The second cabinet is configured to move along an axis of the connecting devices towards a direction adjacent to the to-be-tested packages until the inner cavities of the forced oxidation portions are sealed and mounted on the to-be-tested packages, such that a replacement gas in the inner cavities of the forced oxidation portions is permeated into the to-be-tested packages.

Abstract: A method for optimizing a photographing pose of a user, where the method is applied to an electronic device, and the method includes: displaying a photographing interface of a camera of the electronic device; obtaining a to-be-taken image in the photographing interface; determining, based on the to-be-taken image, that the photographing interface includes a portrait; entering a pose recommendation mode; and presenting a recommended human pose picture to a user in a predetermined preview manner, where the human pose picture is at least one picture that is selected from a picture library through metric learning and that has a top-ranked similarity to the to-be-taken image, and where the similarity is an overall similarity obtained by fusing a background similarity and a foreground similarity.

Abstract: The present invention discloses a multivalent manganese oxide filler, a preparation method therefor, and an application thereof. The preparation method comprises the following steps: step 1: adding a Eucalyptus robusta Smith leaf extract into a potassium permanganate solution for oxidation reaction, and stirring to finally form a suspension; step 2: sequentially filtering and drying the suspension in the step 1 to obtain a sintering precursor; and step 3: sintering the sintering precursor to obtain the multivalent manganese oxide filler. According to the present invention, through the combination of oxidation reaction and sintering reaction in the present invention, the multivalent manganese oxide filler containing manganese (II), manganese (III) and manganese (IV) is prepared, and the filler is loose and porous; in addition, the oxidation reaction and the sintering reaction are combined in the present invention, so that the process difficulty of preparing the multivalent manganese oxide is reduced.

Abstract: Systems and methods for data storage in a storage device are provided in the present disclosure. The method may include dividing the storage device into a recording region and a shingled magnetic recording (SMR) region. The SMR region may be configured to store data, and the recording region may be configured to store storage information associated with the storage device. The storage information may include at least a corresponding relationship between an index of the data and a storage location of the data. The method may also include obtaining target data to be stored. The method may further include determining, based on the target data and the storage information, a target position in the SMR region for storing the target data.

Abstract: This application provides a bullet-screen comment display method, where the bullet-screen comment display method includes: determining bullet-screen comment area basic information corresponding to a target bullet-screen comment from a target picture; identifying an invalid pixel set of the target picture; determining a bullet-screen comment filling area corresponding to the target bullet-screen comment based on the bullet-screen comment area basic information and the invalid pixel set; and filling the bullet-screen comment filling area with the target bullet-screen comment.

Abstract: A motor stator. A stator winding having a polyphase winding wound onto a stator core; the winding is continuously wound in a wave shape with 2N winding layers; S winding phases; 2P poles of each phase winding; 4×S×P slots are formed in the stator core; each pole of each phase has two conducting wire groups; each group has two conducting wires wound in parallel in adjacent slots; the pitch of each conducting wire group is a normal pitch of y, a jumper pitch of y+1, and a dislocation pitch; the jumper pitch has a first pitch of y?1 and a second pitch of y+1; the dislocation pitch has a third pitch of y and a fourth pitch of y+2; one jumper pitch is used for each conducting wire group at every P?1 non-jumper pitch; one dislocation pitch is used for each conducting wire group between at least two adjacent layers.

Abstract: The present disclosure relates to a chip module, a circuit board and an electronic device. The chip module includes: a chip; a heat-dissipating metal sheet, and a thermal conductive layer located between the chip and the heat-dissipating metal sheet, where a thermal conductive material included in the thermal conductive layer is a phase change material or a thermal conductive paste.

Abstract: The present application provides a high-gravity device for generating nano/micron bubble and a reaction system. In the device, the liquid phase is continuous phase and the gas phase is dispersed phase. A gas enters the interior of the device from a hollow shaft, and the gas is subjected to primary shearing under a shearing effect of aerating micropores to form bubbles; then, the bubbles rapidly disengage from the surface of a rotating shaft under the effect of the rotating shaft rotating at a high speed, and are subjected to secondary shearing under the high-gravity environment with the strong shearing force formed by the rotating shaft to form nano/micron bubbles. The device has the advantages of fastness, stability, and small average particle size. The average particle size of the formed nano/micron bubbles is between 800 nanometers and 50 microns, and the average particle size of the bubbles can be regulated in a range by adjusting the rotating speed of the rotating shaft.

Abstract: The present disclosure relates to the field of display technology, and proposes an attaching device for a flexible display panel, including a flexible adsorption plate, a first adjustment rod, and a second adjustment rod. The flexible adsorption plate is configured to be bendable and adsorb a flexible layer of the flexible display panel. The first end of the first adjustment rod is connected to the first end of the second adjustment rod, the second end of the first adjustment rod is connected to the first side of the flexible adsorption plate, and the second end of the second adjustment rod is connected to the second side opposite to the first side of the flexible adsorption plate. For at least one of the first and second adjustment rods, the second end is configured to be movable relative to the first end for adjusting the degree of bending of the flexible layer.

Abstract: A fixture for testing bending shifting of a flexible display module and a test method thereof are provided. The flexible display module includes a bending region and a first non-bending region and a second non-bending region located at two sides of the bending region, the flexible display module is bent through the bending region, and the first non-bending region or the second non-bending region has an under-screen opening; the fixture includes a first support plate and a second support plate rotatably connected, the first support plate is configured to be fixedly connected with the first non-bending region, and the second support plate is configured to be fixedly connected with the second non-bending region; the first support plate or the second support plate has a transparent region, and the transparent region is disposed for observation of shifting at the under-screen opening of the flexible display module in a bent state.

Abstract: The present invention relates to a composite metal material and a low-temperature solder paste with high thermal conductivity containing the same. The composite metal material is a Cu core/Ag intermediate layer/Sn shell type metal powder (Cu@Ag@Sn) or a Cu core/Ni intermediate layer/Sn shell type metal powder (Cu@Ni@Sn) with a particle size of 20-60 ?m. The low-temperature solder paste with high thermal conductivity is obtained by mixing the composite metal material with an Sn—Bi series alloy powder and a flux paste, can be used for welding of a variety of substrate, and is suitable for welding at a low temperature of lower than 150° C. The composite metal material of the present invention has a simple process, a low cost and high practicability, and poor heat dissipation and other problems of power devices after die bonding caused by low thermal conductivity of current solder pastes on the market are solved.

Abstract: The present disclosure provides methods, systems, devices, and media for data processing. The method may include obtaining information of one or more hard disks of each of one or more data nodes, the information of the one or more hard disks at least including type information, capacity information, and location information of each of the one or more hard disks; determining, based on a data processing instruction and the information of the one or more hard disks, target information of a target hard disk among the one or more hard disks; and transmitting the data processing instruction including the target information of the target hard disk to a target data node corresponding to the target hard disk.

Abstract: An unidirectional nanopore dehydration-based functional polymer membrane or hydrogel membrane, preparation method thereof and device thereof. Adding an aqueous polymer solution or a polymer mixture solution into a mold through a sampling hole on the top of a container with a nanoporous filter film as the bottom, after closing said sampling hole, the water molecules in the solution are dehydrated in one direction downward through the nanopores of the filter film, and obtain said polymer membrane or hydrogel membrane on the upper surface of the nanoporous filter film; it can also undergo in situ polymerization with pyrrole in an aqueous solution to obtain a conductive PM or PHM modified by polypyrrole. The invention adopts a UND-based mold, and green processing obtains a novel polymer material with an ordered molecular arrangement, which has the characteristics of flexibility, transparency, and robust mechanical properties. The polymeric material has broad applications.

Abstract: A method for optimizing a photographing pose of a user, where the method is applied to an electronic device, and the method includes: displaying a photographing interface of a camera of the electronic device; obtaining a to-be-taken image in the photographing interface; determining, based on the to-be-taken image, that the photographing interface includes a portrait; entering a pose recommendation mode; and presenting a recommended human pose picture to a user in a predetermined preview manner, where the human pose picture is at least one picture that is selected from a picture library through metric learning and that has a top-ranked similarity to the to-be-taken image, and where the similarity is an overall similarity obtained by fusing a background similarity and a foreground similarity.

Abstract: A direct design method for generating an osculating curved waverider based on a complex leading edge, includes obtaining a leading edgeleading edge through determining a leading edge of a waverider according to a spread length, a front-to-rear length, and a sweep angle at each position of an aircraft, and arranging leading-edge discrete points on the leading edgeleading edge; drawing a small shock cone corresponding to each leading-edge discrete point by starting from each leading-edge discrete point, taking a local shock angle as a half cone angle and taking a free streamline direction as an axis; finding envelope surfaces of all small shock cones, namely, a shock curved surface corresponding to the leading edgeleading edge; generating a waverider by using the osculating curved waverider design method.

Abstract: A hybrid system and a vehicle, the hybrid system comprising an engine, an electric motor, a dual clutch, and a transmission provided with two synchromesh mechanisms and two input shafts. The engine being selectively in transmission connection to one of the input shafts via one clutch unit of the dual clutch and being selectively in transmission connection to the other of the input shafts via the other clutch unit of the dual clutch.

Abstract: A hybrid system and a vehicle, the hybrid system comprising an engine, an electric motor, a dual clutch, and a transmission provided with two synchromesh mechanisms and two input shafts. The engine being selectively in transmission connection to one of connection to the other of the input shafts via the other clutch unit of the dual clutch.

Abstract: The present invention provides a stator assembly for use in a motor and an assembly method therefor. The stator assembly comprises an iron core (1), comprising a cylindrical iron core body and a plurality of iron core teeth (11), conductor slots (1h) for accommodating conductors (3) being formed between every two iron core teeth (11) adjacent in the circumferential direction, side walls of each conductor slot (1h) formed by the iron core teeth (11) each comprising a flared portion (111), and the flared portions (111) being opposite each other in the circumferential direction and gradually getting further away from each other as the two extend towards radial openings of the conductor slots (1h), and sheet-like insulators (2), accommodated in the conductor slots (1h) in a manner of attaching to the peripheral walls of the conductor slots (1h), the ends of the sheet-like insulators (2) being disposed at the flared portions (111).